package com.example.springboot_template.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * 自定义实现 参数判空
 * @author liu
 */
@Target({ElementType.METHOD,ElementType.TYPE,ElementType.FIELD})
@Retention(RetentionPolicy.RUNTIME)
public @interface ParamCheckNUll {
}
